Biodegradable hook for sharks and large fish characterized because it is formed by the combination of two pieces, a stainless steel base of circular or straight shape (figure 1), and a piece of biodegradable material of polymeric and organic nanocomposite material (figure 4) ). The steel base (figure 1) is formed by the eye or blade (1), the leg (2), the curve (3) and the step (4). The final part of the step ends in an external thread (6) in which the biodegradable piece is fixed (figure 4) by means of its internal thread (7). (Machine-translation by Google Translate, not legally binding)1. Anzuelo biodegradable para tiburones y peces grandes caracterizado porque está formado por la combinación de dos piezas, una base de acero inoxidable de forma circular o recta (figura 1), y una pieza de material biodegradable de material nanocompuesto polimérico y orgánico (figura 4). La base de acero (figura 1) está formada por el ojo o paleta (1), la pata (2), la curva (3) y el paso (4). La parte final del paso termina en una rosca externa (6) en la cual se fija la pieza biodegradable (figura 4) mediante su rosca interna (7).